package com.beikai.demo01.base;

/**
 * @program: my-product
 * @author: xiaobei
 * @create: 2021-05-16 09:29
 * @description:
 **/
public interface PlugOfAlarm {
    void alarm2();

    default void alarm3(){
        System.out.println("未实现方法");
    }
}
